ÖZDEN, A., Ö. UZUNALİMOĞLU, S. AYDOĞDU, E. BAŞPINAR, and N. SİPAHİ. “Prevalence of Lactase Deficiency in Turkey”. Turkish Journal of Gastroenterology 3, no. 3 (January 3, 1992): 445–449. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/137.